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Didn't know that about the heavy metals damnThe problem I have is lots of false statements like soil being easier and better at scale, if that were true every commercial grow wouldn't be using soilless. Organics are not cheaper by any means and are more prone to individualized issue and pests due to abundance of living matter.
Why wouldn't you smoke chemical fertilizer grown weed? Plants take up nutrients from the soil or growing medium in the form of ions, regardless of whether those nutrients originated from chemical or organic sources. The plant's metabolism does not differentiate between the sources of nutrients.
Also, weed grown in soil and organic tends to have a much higher heavy metal content in the final product due to it being organic and not being able to be processed and refined, which can actually create a clear argument that organics are not safer or cleaner than synthetic fertilizer.
I don't want to argue with you, just I'm trying to hopefully clear any misunderstandings you may have with the two growing styles.